US2622940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball bearing slide structure
Assignee: Atwood Vacuum Machine Co
•
Filing: 1946-08-02
•
Granted: 1952-12-23
•
Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Johnson Agnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:47
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US819270A
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US1069277A
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US1917923A
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US2003549A
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US2271913A
Cited
US2278101A
Cited
US2129637A
Cited
DE722489C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |